Java tutorial
/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2004, by Object Refinery Limited and Contributors. * * Project Info: http://www.jfree.org/jfreechart/index.html * * This library is free software; you can redistribute it and/or modify it under the terms * of the GNU Lesser General Public License as published by the Free Software Foundation; * either version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License along with this * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, MA 02111-1307, USA. * * [Java is a trademark or registered trademark of Sun Microsystems, Inc. * in the United States and other countries.] * * ------------------ * BarChartDemo6.java * ------------------ * (C) Copyright 2002-2004, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * $Id: BarChartDemo6.java,v 1.7 2004/04/26 19:11:53 taqua Exp $ * * Changes * ------- * 07-Aug-2002 : Version 1 (DG); * 10-Oct-2002 : Fixed errors reported by Checkstyle (DG); * 14-Nov-2002 : Renamed HorizontalBarChartDemo2 --> HorizontalBarChartDemo3 (DG); * */ package j2se.jfreechart.barchart; import java.awt.Color; import java.awt.Insets; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.CategoryAxis; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; /** * Another horizontal bar chart demo. This time all the extras (titles, legend and axes) are * removed, to display just a single bar. * */ public class BarChartDemo6 extends ApplicationFrame { /** * Creates a new demo. * * @param title the frame title. */ public BarChartDemo6(final String title) { super(title); // create a dataset... final DefaultCategoryDataset dataset = new DefaultCategoryDataset(); dataset.addValue(83.0, "First", "Factor 1"); // create the chart... final JFreeChart chart = ChartFactory.createBarChart(null, // chart title "Category", // domain axis label "Score (%)", // range axis label dataset, // data PlotOrientation.HORIZONTAL, false, // include legend true, false); // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... chart.setBackgroundPaint(Color.yellow); // not seen final CategoryPlot plot = chart.getCategoryPlot(); // plot.setInsets(new Insets(0, 0, 0, 0)); plot.setRangeGridlinesVisible(false); final CategoryAxis domainAxis = plot.getDomainAxis(); domainAxis.setLowerMargin(0.20); domainAxis.setUpperMargin(0.20); domainAxis.setVisible(false); final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setRange(0.0, 100.0); rangeAxis.setVisible(false); // OPTIONAL CUSTOMISATION COMPLETED. // add the chart to a panel... final ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new java.awt.Dimension(500, 270)); setContentPane(chartPanel); } // **************************************************************************** // * JFREECHART DEVELOPER GUIDE * // * The JFreeChart Developer Guide, written by David Gilbert, is available * // * to purchase from Object Refinery Limited: * // * * // * http://www.object-refinery.com/jfreechart/guide.html * // * * // * Sales are used to provide funding for the JFreeChart project - please * // * support us so that we can continue developing free software. * // **************************************************************************** /** * Starting point for the demonstration application. * * @param args ignored. */ public static void main(final String[] args) { final BarChartDemo6 demo = new BarChartDemo6("Minimal Chart Demo"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } }